You are the Aliens and have to capture the crazy Humans who try to destroy your ship!

Use the Galactic Shop to exchange Humans for new towers or new upgrades!

★★★ Story ★★★
Aliens are coming on Earth!
They discover a nice planet with prehistoric Humans!
But Humans are idiots and violents and they want to destroy the Alien's Spaceship!
So, Aliens decide to capture and sell bad Humans on the Galactic Shop to get new
stuff, more powerful!